Guide

1. Click on the '+Add apps' section in the left sidebar.

2. In the search bar, type 'Jenkins CI' and select the Jenkins app from the results.

3. Click the 'Add to Slack' button.

4. Click the drop-down arrow to choose a channel.

5. Select your preferred channel.

6. Click 'Add Jenkins CI Integration' to confirm.

7. That's it! You have successfully added Jenkins CI to your Slack workspace.